Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Preparation and Characterization of PDA Nanoparticles
(A) Transmission electron microscopy (TEM) images of PDA nanoparticles. (B) Size distribution of PDA, PDA-PEG, and PDA-PEG-SAN-MET in water measured by dynamic light scattering (DLS). (C) The stability of PDA and PDA-PEG in H2O, PBS, 1640 medium and fetal bovine serum (FBS). (D) UV-vis–NIR spectra of PDA, PDA-PEG, and PDA-PEG-SAN-MET.
